Created
October 7, 2023 05:59
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Trivial ILGPU sample
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| #r "nuget: ILGPU" | |
| open ILGPU | |
| open ILGPU.Runtime | |
| let ShiftBy42 (index: Index1D) (buffer: ArrayView1D<int, Stride1D.Dense>) (constant: int) = | |
| buffer.[index] <- int(index) + constant | |
| // Create main context | |
| use context = Context.CreateDefault() | |
| // For each available device... | |
| for device in context do | |
| // Create accelerator for the given device | |
| use accelerator = device.CreateAccelerator(context) | |
| printfn "Performing operations on %O" accelerator | |
| use stream = accelerator.CreateStream() | |
| let kernel = accelerator.LoadAutoGroupedStreamKernel<_, _, _>(ShiftBy42) | |
| use buffer = accelerator.Allocate1D<_>(1024L) | |
| kernel.Invoke(Index1D(int(buffer.Length)), buffer.View, 42) | |
| // Calls stream.Synchronize() to ensure | |
| // that the kernel and memory copy are completed first. | |
| accelerator.Synchronize(); | |
| // Reads data from the GPU buffer into a new CPU array. | |
| buffer.GetAsArray1D(stream) | |
| |> Array.iteri (fun index element -> printfn $"{index} = {element}") | |
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